Ross Sea Region Soil Sites
642000
642
4-Dec-1991
IBC, GGC, MRB
Marble Point, western McMurdo Sound
Soil contamination examination
USGS Antarctica Topographic Series 1:50,000; Marble Point, Antarctica
Yes
163.6710
-77.4118
77deg 24.71'S
-163deg -40.26'E
| Approximately 4.3km NE of Marble Point on the east side of the runway at the northern end; 5m from site 623; an area of soil with a damp surface appearance that may have |
| been due to a fuel spill |
0
Nil
65
cf. Notes for GEOLAND below
| No obvious source of moisture; the darkened moist like appearance of the soil surface may be |
| due to a fuel spillage |
-18
Coastal Antarctic
Approximately 75cm of sandy gravel fill, from marble, granite and gneiss
Nil observed
Nil
| SURFACE WEATHERING or |
| SURFACE FEATURES |
A patchy darkend soil surface
Widespread disturbance from previous runway construction and ongoing logistical activities
642a 0-10cm
101
olive (5Y 5/3) gravelly sand
102
loose to weakly cohesive
103
rock particles angular to subrounded
104
weakly developed vesicular structure
105
indistinct boundary,
642b 10-35cm
201
olive (5Y 5/3) gravelly sand
202
loose to weakly cohesive
203
rock particles angular to subrounded
204
weakly developed vesicular structure
205
some algal or cyanobacterial particles
Yes
0
1
Geoland
| The surface adjacent to the airstrip has been heavily disturbed during the runway construction; areas of cut and fill deposits and sidecastings are common; the |
| rocks are dominantly granodiorite;, granite, marble and gneiss; fuel spills around the Marble Point Air Facility have been common |
| Soluble Salt |
| Concentration |
64200001
76.00
64200002
69.00
64200001
64200002
64200001
64200002
12-Dec-2005
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